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Konno_et_al_2007pl2-02.JPGTaxonomy:
Catalog entries: T. catinifera [no catalog entry yet]
Morphology: Cells solitary, spherical. Papillae usually present, ca.6-12 papillae/μm. Plates usually with radially arranged papillae between the slit-like areolae, and one or more concentric rows of papillae along the top of a raised marginal rim. Plates with small central papilla, but no central mound. [Konno et al. 2007]
Size: Cells 2.7-3.3μm in diameter. Shield plates ca.1.7-2.4μm in diameter, with a wall-like plate margin. Triradiate girdle plates, arms ca.1.3-1.5μm long (measured along the dorso-ventral plane, from end to central papilla). Arms of dorsal plate, ca.1.0-1.4μm long. Ventral plate ca.1.6μm in diameter.[Konno et al. 2007]
Ecology & Biogeography: This species has mostly been recorded in the subarctic Pacific, but also occurs in the Gulf of St. Lawrence, Canada (Bérard-Therriault et al., 1999, p.246, pl.113, figs a, e) and in the Chukchi Sea (this study). [Konno et al. 2007]
Geological Range:
Last occurrence (top): Extant Data source: Konno et al. 2007
First occurrence (base): within no known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: Konno et al. 2007
References:
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Tetraparma catinifera compiled by Jeremy R. Young viewed: 22-4-2021
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